<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>首页</title>
	<!-- jQuery：操作 dom、发起请求等 -->
	<script src="https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/jquery/2.1.2/jquery.min.js" type="application/javascript"></script>

	<script type="application/javascript">

    /**
     * 跳转单点登录
     */
    function ssoLogin() {
      const clientId = 'yudao-sso-demo-by-code'; // 可以改写成，你的 clientId
      const redirectUri = encodeURIComponent('http://127.0.0.1:18080/callback.html'); // 注意，需要使用 encodeURIComponent 编码地址
      const responseType = 'code'; // 1）授权码模式，对应 code；2）简化模式，对应 token
      window.location.href = 'http://127.0.0.1:1024/sso?client_id=' + clientId
        + '&redirect_uri=' + redirectUri
        + '&response_type=' + responseType;
    }

    /**
     * 修改昵称
     */
    function updateNickname() {
      const nickname = prompt("请输入新的昵称", "");
      if (!nickname) {
        return;
      }
      // 更新用户的昵称
      const accessToken = localStorage.getItem('ACCESS-TOKEN');
      $.ajax({
        url: "http://127.0.0.1:18080/user/update?nickname=" + nickname,
        method: 'PUT',
        headers: {
          'Authorization': 'Bearer ' + accessToken
        },
        success: function (result) {
          if (result.code !== 0) {
            alert('更新昵称失败，原因：' + result.msg)
            return;
          }
          alert('更新昵称成功！');
          $('#nicknameSpan').html(nickname);
        }
      });
    }

    /**
     * 刷新令牌
     */
    function refreshToken() {
      const refreshToken = localStorage.getItem('REFRESH-TOKEN');
      if (!refreshToken) {
        alert("获取不到刷新令牌");
        return;
      }
      $.ajax({
        url: "http://127.0.0.1:18080/auth/refresh-token?refreshToken=" + refreshToken,
        method: 'POST',
        success: function (result) {
          if (result.code !== 0) {
            alert('刷新访问令牌失败，原因：' + result.msg)
            return;
          }
          alert('更新访问令牌成功！');
          $('#accessTokenSpan').html(result.data.access_token);

          // 设置到 localStorage 中
          localStorage.setItem('ACCESS-TOKEN', result.data.access_token);
          localStorage.setItem('REFRESH-TOKEN', result.data.refresh_token);
        }
      });
    }

    /**
     * 登出，删除访问令牌
     */
    function logout() {
      const accessToken = localStorage.getItem('ACCESS-TOKEN');
      if (!accessToken) {
        location.reload();
        return;
      }
      $.ajax({
        url: "http://127.0.0.1:18080/auth/logout",
        method: 'POST',
        headers: {
          'Authorization': 'Bearer ' + accessToken
        },
        success: function (result) {
          if (result.code !== 0) {
            alert('退出登录失败，原因：' + result.msg)
            return;
          }
          alert('退出登录成功！');
          // 删除 localStorage 中
          localStorage.removeItem('ACCESS-TOKEN');
          localStorage.removeItem('REFRESH-TOKEN');

          location.reload();
        }
      });
    }

    $(function () {
      const accessToken = localStorage.getItem('ACCESS-TOKEN');
      // 情况一：未登录
      if (!accessToken) {
        $('#noLoginDiv').css("display", "block");
        return;
      }

      // 情况二：已登录
      $('#yesLoginDiv').css("display", "block");
      $('#accessTokenSpan').html(accessToken);
      // 获得登录用户的信息
      $.ajax({
        url: "http://127.0.0.1:18080/user/get",
        method: 'GET',
        headers: {
          'Authorization': 'Bearer ' + accessToken
        },
        success: function (result) {
          if (result.code !== 0) {
            alert('获得个人信息失败，原因：' + result.msg)
            return;
          }
          $('#nicknameSpan').html(result.data.nickname);
        }
      });
    })
	</script>
</head>
<body>
<!-- 情况一：未登录：1）跳转 ruoyi-vue-pro 的 SSO 登录页 -->
<div id="noLoginDiv" style="display: none">
	您未登录，点击 <a href="#" onclick="ssoLogin()">跳转 </a> SSO 单点登录
</div>

<!-- 情况二：已登录：1）展示用户信息；2）刷新访问令牌；3）退出登录 -->
<div id="yesLoginDiv" style="display: none">
	您已登录！<button onclick="logout()">退出登录</button> <br />
	昵称：<span id="nicknameSpan"> 加载中... </span> <button onclick="updateNickname()">修改昵称</button> <br />
	访问令牌：<span id="accessTokenSpan"> 加载中... </span> <button onclick="refreshToken()">刷新令牌</button> <br />
</div>
</body>
<style>
    body { /** 页面居中 */
        border-radius: 20px;
        height: 350px;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
    }
</style>
</html>
